30130380 has 120 divisors (see below), whose sum is σ = 108063648. Its totient is φ = 6884352.

The previous prime is 30130379. The next prime is 30130381. The reversal of 30130380 is 8303103.

It is an interprime number because it is at equal distance from previous prime (30130379) and next prime (30130381).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30130381) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10012 + ... + 12668.

Almost surely, 2^30130380 is an apocalyptic number.

30130380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30130380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54031824).

30130380 is an abundant number, since it is smaller than the sum of its proper divisors (77933268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30130380 is a wasteful number, since it uses less digits than its factorization.

30130380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685 (or 2674 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 30130380 is about 5489.1146827152. The cubic root of 30130380 is about 311.1727344863.

Adding to 30130380 its reverse (8303103), we get a palindrome (38433483).

The spelling of 30130380 in words is "thirty million, one hundred thirty thousand, three hundred eighty".